CVE-2026-0291 Prisma Access Agent: Authenticated Limited File Deletion on Linux
Exploit Maturity
UNREPORTED
Response Effort
MODERATE
Recovery
USER
Value Density
DIFFUSE
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Automatable
NO
User Interaction
NONE
Product Confidentiality
NONE
Product Integrity
LOW
Product Availability
LOW
Privileges Required
LOW
Subsequent Confidentiality
NONE
Subsequent Integrity
NONE
Subsequent Availability
NONE
Description
An improper link resolution before file access vulnerability exists in the Palo Alto Networks Prisma® Access Agent on Linux platforms that enables a local low privileged user to delete system files in a limited scope and disable Prisma Access Agent.
The Prisma Access Agent on macOS, Windows, iOS, Android, and Chrome OS is not affected.
Product Status
| Versions | Affected | Unaffected |
|---|---|---|
| Prisma Access Agent | None on macOS None on Windows None on iOS None on Android None on Chrome OS | All on macOS All on Windows All on iOS All on Android All on Chrome OS |
| Prisma Access Agent | < 26.2.2 on Linux | >= 26.2.2 on Linux |
Required Configuration for Exposure
No special configuration is required to be affected by this issue.
Severity: LOW, Suggested Urgency: MODERATE
CVSS-BT: 1.1 / CVSS-B: 4.8 (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber)
Exploitation Status
Palo Alto Networks is not aware of any malicious exploitation of this issue.
Weakness Type and Impact
CWE-59 Improper Link Resolution Before File Access ('Link Following')
Solution
| Version | Minor Version | Suggested Solution |
|---|---|---|
| Prisma Access Agent on Linux |
25.7 through 26.2.1 | Upgrade to 26.2.2 or later. |
| Prisma Access Agent on macOS | No action needed. | |
| Prisma Access Agent on Windows | No action needed. | |
| Prisma Access Agent on iOS | No action needed. | |
| Prisma Access Agent on Android | No action needed. | |
| Prisma Access Agent on Chrome OS | No action needed. |
Workarounds and Mitigations
No known workarounds or mitigations exist for this issue.
Acknowledgments
Palo Alto Networks thanks an internal reporter for discovering and reporting this issue.
CPE Applicability
- cpe:2.3:a:palo_alto_networks:prisma_access_agent:*:*:*:*:*:Linux:*:* is vulnerable from (including)24.0 and up to (excluding)26.2.2
Timeline
Initial Publication